Gases underpressure, Groups: compressed, liquified, dissolved, refrigerated liquid Flammableliquids, Categories 1-4 Flammable solids, Categories 1 and 2 Self-reactive chemicals, Types A-G Pyrophoricliquids, Category 1 Pyrophoricsolids, Category 1 ...
the use of chemicals within workplaces. The key elements of WHMIS are classification of chemicals into hazard groups and classes; labelling requirements for packaging; supplier-provided safety data sheets (SDSs) that describe hazard and precautionary information for each chemical and are to be ...